popup.html

<!DOCTYPE html>
<html lang="en">

<head>
    <!-- Metadata for character set, viewport, and compatibility -->
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Css Layout Hack</title>
    <!-- Stylesheet -->
    <link rel="stylesheet" href="./assets/style/popup.css">
</head>

<body>
    <!-- Popup container -->
    <div class="popup">
        <!-- Title section with colored spans -->
        <h1><span class="yellow">Css <span class="eye">👀</span> </span><span class="blue">Layout 🔦 Hack 🗂️</span>
        </h1>
        <!-- Toggle button container -->
        <div class="button">
            <!-- On state -->
            <div class="half" style="left: 5px;">On</div>
            <!-- Off state -->
            <div class="half" style="right: 5px; text-align: right;">Off</div>
            <!-- Circular indicator -->
            <div class="circle"></div>
        </div>
        <!-- Image separator -->
        <img src="../assets/img/line.png" class="line" alt="Line">
        <!-- Footer link -->
        <p class="links">
            <a href="https://github.com/rastegardev/css-layout-hack-extension#%EF%B8%8F--description" target="_blank">About</a>
            <a href="https://github.com/rastegardev/css-layout-hack-extension#--privacy-policy" target="_blank">Privacy policy</a>
            <a href="https://github.com/rastegardev/css-layout-hack-extension" target="_blank">Source code</a>
            <a href="https://github.com/rastegardev/css-layout-hack-extension/issues" target="_blank">Report issue</a>
        </p>
    </div>
    <!-- JavaScript -->
    <script src="./popup.js"></script>
</body>

</html>